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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 32 |
| 3 | 1792 |
| 4 | 122880 |
| 5 | 9371648 |
| 6 | 763363328 |
| 7 | 65028489216 |
| 8 | 5722507051008 |
| 9 | 516147694796800 |
| 10 | 47463855386787840 |
| 11 | 4433247375867248640 |
| 12 | 419423751734223175680 |
| 13 | 40109816011998942461952 |
| 14 | 3870915577031009050296320 |
| 15 | 376519953782381735485374464 |
| 16 | 36874663860751966094632157184 |
[1,32,1792,122880,9371648,763363328,65028489216, 5722507051008,516147694796800,47463855386787840, 4433247375867248640,419423751734223175680, 40109816011998942461952,3870915577031009050296320, 376519953782381735485374464, 36874663860751966094632157184] |